Video capturing Prog for windows?

hi i need a program that i can use to make a mpeg video off my computer like i want to make a video guide on how to use bidpay and i was wondering if any one can guide to the best progam free or free trial to do this with

i need it so it can record what im doing on my computer like if i was recording it with a camcorder so others can see it

like this for example how they made this mov file of how to use outlook express

Have a look here and see if it meets your goals: